7 players are tied for the youngest with 40+ double-doubles in a season. They were 20 years old. The first three are Jalen Duren and Victor Wembanyama in 2023-24 and Karl-Anthony Towns in 2015-16.

Interpreted as:

youngest player with 40 or more double double in a regular season

	NAME	AGE	DD2	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Jalen Duren J. Duren	20	44	2023-24	DET	61	29.1	13.8	11.6	2.4	0.5	0.8	5.7	9.2	61.9	0.0	0.1	0.0	2.3	3.0	79.0	65.3	3.1	8.5	2.1	1,777	841	709	147	33	47	129	192	-311
2	Victor Wembanyama V. Wembanyama	20	43	2023-24	SAS	71	29.7	21.4	10.6	3.9	1.2	3.6	7.8	16.7	46.5	1.8	5.5	32.5	4.1	5.2	79.6	56.5	2.3	8.4	3.7	2,106	1,522	755	274	88	254	260	153	-142
3	Karl-Anthony Towns K. Towns	20	52	2015-16	MIN	82	32.0	18.3	10.5	2.0	0.7	1.7	7.6	14.1	54.2	0.4	1.1	34.1	2.7	3.4	81.1	59.0	2.8	7.7	2.2	2,627	1,503	858	161	58	138	183	245	-131
4	Andre Drummond A. Drummond	20	57	2013-14	DET	81	32.3	13.5	13.2	0.4	1.2	1.6	5.9	9.5	62.3	0.0	0.0	0.0	1.7	4.0	41.8	59.9	5.4	7.8	1.4	2,619	1,095	1,071	35	101	131	110	273	-233
5	Dwight Howard D. Howard	20	60	2005-06	ORL	82	36.8	15.8	12.5	1.5	0.8	1.4	5.7	10.7	53.1	0.0	0.0	0.0	4.3	7.3	59.5	56.5	3.5	9.0	2.6	3,021	1,292	1,022	125	65	115	217	277	+24
6	Elton Brand E. Brand	20	42	1999-00	CHI	81	37.0	20.1	10.0	1.9	0.8	1.6	7.8	16.1	48.2	0.0	0.0	0.0	4.5	6.6	68.5	52.8	4.3	5.7	2.8	2,999	1,627	810	155	66	132	228	259	-647
7	Shaquille O'Neal S. O'Neal	20	68	1992-93	ORL	81	37.9	23.4	13.9	1.9	0.7	3.5	9.0	16.1	56.2	0.0	0.0	0.0	5.3	8.9	59.2	58.4	4.2	9.6	3.8	3,071	1,893	1,122	152	60	286	307	321
8	Jalen Duren J. Duren	21	41	2024-25	DET	78	26.1	11.8	10.3	2.7	0.7	1.1	4.8	7.0	69.2	0.0	0.0		2.1	3.1	66.9	70.3	3.6	6.8	1.7	2,034	918	807	209	54	89	136	251	+36
9	Karl-Anthony Towns K. Towns	21	62	2016-17	MIN	82	37.0	25.1	12.3	2.7	0.7	1.3	9.8	18.0	54.2	1.2	3.4	36.7	4.3	5.2	83.2	61.8	3.6	8.7	2.6	3,030	2,061	1,007	220	56	103	212	241	-28
10	Anthony Davis A. Davis	21	42	2014-15	NOP	68	36.1	24.4	10.2	2.2	1.5	2.9	9.4	17.6	53.5	0.0	0.2	8.3	5.5	6.8	80.5	59.1	2.5	7.7	1.4	2,455	1,656	696	149	100	200	95	141	+267
11	Andre Drummond A. Drummond	21	48	2014-15	DET	82	30.5	13.8	13.5	0.7	0.9	1.9	6.0	11.7	51.4	0.0	0.0	0.0	1.7	4.5	38.9	50.4	5.3	8.1	1.5	2,502	1,130	1,104	55	73	153	120	285	-54
12	Blake Griffin B. Griffin	21	63	2010-11	LAC	82	38.0	22.5	12.1	3.8	0.8	0.5	8.5	16.8	50.6	0.1	0.3	29.2	5.4	8.5	64.2	54.9	3.3	8.8	2.7	3,112	1,845	989	312	63	45	223	252	-146
13	Dwight Howard D. Howard	21	60	2006-07	ORL	82	36.9	17.6	12.3	1.9	0.9	1.9	6.4	10.6	60.3	0.0	0.0	50.0	4.8	8.1	58.6	61.9	3.5	8.8	3.9	3,023	1,443	1,008	158	70	156	317	245	+94
14	Tim Duncan T. Duncan	21	57	1997-98	SAS	82	39.1	21.1	11.9	2.7	0.7	2.5	8.6	15.7	54.9	0.0	0.1	0.0	3.9	5.9	66.2	57.7	3.3	8.6	3.4	3,204	1,731	977	224	55	206	279	254	+429
15	Kevin Garnett K. Garnett	21	45	1997-98	MIN	82	39.3	18.5	9.6	4.2	1.7	1.8	7.7	15.8	49.1	0.0	0.2	18.8	3.0	4.0	73.8	52.7	2.7	6.9	2.3	3,222	1,518	786	348	139	150	192	224	+152
16	Antoine Walker A. Walker	21	47	1997-98	BOS	82	39.9	22.4	10.2	3.3	1.7	0.7	8.8	20.8	42.3	1.1	3.6	31.2	3.7	5.8	64.5	48.1	3.3	6.9	3.6	3,268	1,840	836	273	142	60	292	262	-267
17	Shaquille O'Neal S. O'Neal	21	65	1993-94	ORL	81	39.8	29.3	13.2	2.4	0.9	2.9	11.8	19.6	59.9	0.0	0.0	0.0	5.8	10.5	55.4	60.5	4.7	8.5	2.7	3,224	2,377	1,072	195	76	231	222	281
18	Alperen Şengün A. Şengün	22	45	2024-25	HOU	76	31.5	19.1	10.3	4.9	1.1	0.8	7.5	15.0	49.6	0.3	1.2	23.3	3.9	5.6	69.2	54.5	3.4	6.9	2.6	2,395	1,451	786	372	84	61	194	209	+410
19	Luka Dončić L. Dončić	22	44	2021-22	DAL	65	35.4	28.4	9.1	8.7	1.2	0.6	9.9	21.6	45.7	3.1	8.8	35.3	5.6	7.5	74.4	57.1	0.9	8.3	4.5	2,301	1,847	593	568	75	36	292	145	+146
20	Bam Adebayo B. Adebayo	22	40	2019-20	MIA	72	33.6	15.9	10.2	5.1	1.1	1.3	6.1	11.0	55.7	0.0	0.2	14.3	3.7	5.3	69.1	59.8	2.4	7.8	2.8	2,417	1,146	735	368	82	93	204	182	+244
21	Ben Simmons B. Simmons	22	42	2018-19	PHI	79	34.2	16.9	8.8	7.7	1.4	0.8	6.8	12.2	56.3	0.0	0.1	0.0	3.3	5.4	60.0	58.2	2.2	6.6	3.5	2,700	1,337	697	610	112	61	274	209	+116
22	Karl-Anthony Towns K. Towns	22	68	2017-18	MIN	82	35.6	21.3	12.3	2.4	0.8	1.4	7.8	14.3	54.5	1.5	3.5	42.1	4.2	4.9	85.8	64.6	2.9	9.4	1.9	2,918	1,743	1,012	199	64	115	159	285	+371
23	Andre Drummond A. Drummond	22	66	2015-16	DET	81	32.9	16.2	14.8	0.8	1.5	1.4	6.8	13.1	52.1	0.0	0.1	33.3	2.6	7.2	35.5	49.9	4.9	9.9	1.9	2,665	1,314	1,198	67	119	112	155	245	+126
24	Nikola Vučević N. Vučević	22	46	2012-13	ORL	77	33.2	13.1	11.9	1.9	0.8	1.0	6.0	11.5	51.9	0.0	0.0	0.0	1.1	1.6	68.3	53.4	3.5	8.4	1.8	2,559	1,008	917	143	61	79	141	218	-383
25	Blake Griffin B. Griffin	22	41	2011-12	LAC	66	36.2	20.7	10.9	3.2	0.8	0.7	8.5	15.5	54.9	0.0	0.2	12.5	3.7	7.1	52.1	55.7	3.3	7.6	2.3	2,392	1,368	717	210	54	48	150	216	+334